112566203621 has 4 divisors (see below), whose sum is σ = 112567207200. Its totient is φ = 112565200044.

The previous prime is 112566203569. The next prime is 112566203693. The reversal of 112566203621 is 126302665211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 112566203621 - 2²² = 112562009317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112566203221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308801 + ... + 566118.

It is an arithmetic number, because the mean of its divisors is an integer number (28141801800).

Almost surely, 2^112566203621 is an apocalyptic number.

It is an amenable number.

112566203621 is a deficient number, since it is larger than the sum of its proper divisors (1003579).

112566203621 is an equidigital number, since it uses as much as digits as its factorization.

112566203621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003578.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 112566203621 its reverse (126302665211), we get a palindrome (238868868832).

The spelling of 112566203621 in words is "one hundred twelve billion, five hundred sixty-six million, two hundred three thousand, six hundred twenty-one".